<template>
<p v-for="(item,index) in arr ":key="index">
    索引值:{{ index }} ---元素的内容是：{{item}}
</p>
<VIf/>
</template>
<script setup>
import VIf from './VIf.vue';

const arr =["HTML","CSS","JavaScript","JQuery","Vue"]
</script>
<style>

</style>